Air Miles Calculator

Distance between Casper, WY (CPR) and Portsmouth, NH (PSM)

Distance from Casper to Portsmouth (Casper–Natrona County International Airport – Portsmouth International Airport at Pease) is 1792 miles / 2884 kilometers / 1557 nautical miles.

How far is Portsmouth from Casper?

There are several ways to calculate distances between Casper and Portsmouth. Here are two common methods:

Vincenty's formula (applied above)
  • 1792.264 miles
  • 2884.369 kilometers
  • 1557.435 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1787.473 miles
  • 2876.659 kilometers
  • 1553.272 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Flight duration

Estimated flight time from Casper–Natrona County International Airport (CPR) to Portsmouth International Airport at Pease (PSM) is 3 hours 53 minutes.

Time difference and current local times

The time difference between Casper and Portsmouth is 2 hours. Portsmouth is 2 hours ahead of Casper.

Time Difference

Casper
Portsmouth

Casper, WY

 MST

Portsmouth, NH

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 197 kg (435 pounds).

Airport information


A Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W

B Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States Flag of United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″W

Map

Casper to Portsmouth flight map.

Frequent Flyer Miles Calculator

Casper (CPR) → Portsmouth (PSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1792
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1792

Round trip?